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//
//           Panzer: A partial differential equation assembly
//       engine for strongly coupled complex multiphysics systems
//                 Copyright (2011) Sandia Corporation
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#ifndef __Panzer_DOFManager_Functors_hpp__
#define __Panzer_DOFManager_Functors_hpp__

#include "Phalanx_KokkosDeviceTypes.hpp"

namespace panzer {
namespace dof_functors {

//! Sums all entries of a Rank 2 Kokkos View 
template<typename GO, typename ArrayType>
struct SumRank2 {
  typedef GO value_type;
  typedef typename PHX::Device execution_space;
  
  ArrayType a_;

  SumRank2(ArrayType a) : a_(a) {}
  
  KOKKOS_INLINE_FUNCTION
  void operator () (const unsigned int i, GO& lsum) const {
    for (unsigned int j=0; j < a_.extent(1); ++j)
      lsum += a_(i,j);
  }
};

}
}

#endif
